The sheepdog whistle is used for years by professional Dog Trainers and Shepherds. No matter if your dog is a Poodle, Border Collie, Gun Dog, German Shepherd, Bulldog, Terrier, Rottweiler, Dachshund, Huskie, or another breed, shepherd whistle can ensure that they obey basic skills. This is the most universal of all dog training whistles(E.g.: herding whistle, mouth whistles, lips whistle,border collie whistle, shepherds whistle, sheepdog whistle herding). The advantage of using this shepherd dog whistle is you can vary the pitch to make any sound you feel comfortable with. Once you have learned how to make a variety of sounds, you can teach your dog what you want him to do on a sound of your choosing. The dog will respond a lot better to the sound of a dog training whistle than a voice command because he can hear the dog whistle sound at a long distance as well as up close. Professional dog trainers around the world use this herding dog whistle to teach their dogs many different activities. For example, you can teach your dog to down, here, right, left, bite, jump, roll over, or anything else you can teach him to do with a hand signal or voice command. Each one of these activities will have a different sound. This shepherd whistle for dogs does require a few practice blows before you get a sound, but once one sound is achieved, it is plain sailing or whistling. Package includes: 1 x plastic dog whistle